#133F74#133F74

#133F74 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.9% C 0.103 H 255.4°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#133F74
RGB	rgb(19, 63, 116)
HSL	hsl(213, 72%, 26%)
HSV	hsv(213, 84%, 45%)
CMYK	cmyk(83.6%, 45.7%, 0%, 54.5%)
CIE-LAB	lab(26.60, 6.15, -34.67)
CIE-LCH	lch(26.60, 35.21, 280.06°)
OKLab	oklab(36.88% -0.0258 -0.0994)
OKLCH	oklch(36.88% 0.103 255.4)
XYZ	xyz(5.1973, 4.9538, 17.2019)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F74 #744813

analogous

#137074 #133F74 #181374

triadic

#133F74 #74133F #3F7413

tetradic

#133F74 #741370 #744813 #137418

square

#133F74 #741370 #744813 #137418

split-complementary

#133F74 #741813 #707413

monochromatic

#040E1A #0A223F #133F74 #1C5CA9 #2678DB

Accessibility & contrast

On white

10.55

#133F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#133F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F74

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F74	#FFFFFF	#000000	##FFFFFF
##133F74	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244476

Deuteranopia (green-blind)

#103B73

Tritanopia (blue-blind)

#004C53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #133f74;
/* rgb */ color: rgb(19, 63, 116);
/* oklch */ color: oklch(36.9% 0.103 255.4);

Tailwind

colors: {
  custom: {
    50: '#62739c',
    500: '#133f74',
    950: '#000000',
  },
}

SCSS

$custom: #133f74;
$custom-light: #62739c;
$custom-dark: #000000;

JSON

{
  "hex": "#133f74",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 116
  },
  "hsl": {
    "h": 212.784,
    "s": 71.852,
    "l": 26.471
  },
  "oklch": {
    "l": 0.36884,
    "c": 0.10266,
    "h": 255.4
  },
  "luminance": 0.04954
}

Semantic roles & 50–950 ramp

primary

#133F74

secondary

#AA7738

accent

#9C39EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #133F74

Body copy rendered with the generated semantic roles for this colour.

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